Built 2026-10-19 (19 October 2026)

La Tuna 1 S Threshold Days by Year

17 fixed thresholds counted per year at La Tuna 1 S (USC00414931): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Tuna 1 S Thresholds

  • La Tuna 1 S: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1986 with 15.
  • La Tuna 1 S: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1988 with 103.
  • La Tuna 1 S: nights with a minimum temperature at or above 20 C (68 F) in 52 years, most in 1994 with 81.
  • La Tuna 1 S: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 1986 with 184.
  • 17 fixed thresholds have at least one qualifying day at La Tuna 1 S.
49 years with a qualifying day
Days at or above 30 C (86 F) per year at La Tuna 1 S Days per year at La Tuna 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 184 in 1986. 0501001502001944: 1321945: 1371946: 1261947: 1531948: 1521949: 1421950: 1611951: 1551952: 1501953: 1531954: 1721955: 1391956: 1641957: 1231958: 1191959: 1471961: 1091962: 1321965: 1291966: 1281967: 1411968: 1391969: 1551970: 1431971: 1471972: 1731974: 1321975: 1331976: 1261977: 1541978: 1451979: 1481981: 1521984: 1231985: 1281986: 1841987: 1281988: 1421989: 1571990: 1321991: 1321992: 1391993: 1521994: 1361996: 1441997: 1461998: 1581999: 1492000: 1681944194919541959196719721978198619911997
Days per year at La Tuna 1 S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 184 in 1986.
Days at or above 30 C (86 F) per year at La Tuna 1 S
YearDaysDecade average
1944132140.3
1945137140.3
1946126140.3
1947153140.3
1948152140.3
1949142140.3
1950161148.3
1951155148.3
1952150148.3
1953153148.3
1954172148.3
1955139148.3
1956164148.3
1957123148.3
1958119148.3
1959147148.3
1961109133.3
1962132133.3
1965129133.3
1966128133.3
1967141133.3
1968139133.3
1969155133.3
1970143144.6
1971147144.6
1972173144.6
1974132144.6
1975133144.6
1976126144.6
1977154144.6
1978145144.6
1979148144.6
1981152144.9
1984123144.9
1985128144.9
1986184144.9
1987128144.9
1988142144.9
1989157144.9
1990132143.1
1991132143.1
1992139143.1
1993152143.1
1994136143.1
1996144143.1
1997146143.1
1998158143.1
1999149143.1
2000168168
First to last qualifying date each year at La Tuna 1 S For each year, a bar from the first to the last day at La Tuna 1 S meeting 30 C (86 F). 1944: 6 May 1944 to 15 October 19441945: 18 April 1945 to 27 September 19451946: 30 March 1946 to 22 October 19461947: 18 April 1947 to 21 October 19471948: 15 April 1948 to 16 October 19481949: 22 April 1949 to 4 October 19491950: 3 April 1950 to 31 October 19501951: 24 April 1951 to 15 October 19511952: 6 April 1952 to 26 October 19521953: 25 March 1953 to 17 October 19531954: 3 April 1954 to 24 October 19541955: 28 April 1955 to 21 October 19551956: 24 April 1956 to 23 October 19561957: 13 April 1957 to 27 September 19571958: 19 April 1958 to 21 September 19581959: 2 April 1959 to 25 October 19591961: 30 April 1961 to 27 September 19611962: 15 April 1962 to 15 October 19621965: 22 April 1965 to 14 October 19651966: 3 April 1966 to 11 October 19661967: 18 March 1967 to 15 October 19671968: 2 May 1968 to 31 October 19681969: 31 March 1969 to 18 October 19691970: 4 May 1970 to 14 October 19701971: 23 March 1971 to 14 October 19711972: 9 March 1972 to 18 October 19721974: 30 March 1974 to 10 October 19741975: 20 April 1975 to 20 October 19751976: 11 April 1976 to 23 September 19761977: 7 April 1977 to 2 October 19771978: 31 March 1978 to 19 October 19781979: 14 April 1979 to 26 October 19791981: 1 April 1981 to 27 October 19811984: 12 April 1984 to 16 October 19841985: 12 March 1985 to 22 October 19851986: 21 February 1986 to 29 October 19861987: 5 February 1987 to 14 October 19871988: 25 March 1988 to 8 November 19881989: 11 March 1989 to 26 October 19891990: 23 March 1990 to 4 October 19901991: 7 April 1991 to 19 October 19911992: 10 April 1992 to 19 October 19921993: 11 April 1993 to 14 October 19931994: 19 April 1994 to 5 October 19941996: 9 April 1996 to 14 October 19961997: 21 March 1997 to 11 October 19971998: 11 April 1998 to 15 October 19981999: 19 April 1999 to 15 October 19992000: 5 April 2000 to 6 October 20001944195119581968197619861993JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at La Tuna 1 S meeting 30 C (86 F).
First to last qualifying date each year at La Tuna 1 S
YearFirst dateLast date
19441944-05-061944-10-15
19451945-04-181945-09-27
19461946-03-301946-10-22
19471947-04-181947-10-21
19481948-04-151948-10-16
19491949-04-221949-10-04
19501950-04-031950-10-31
19511951-04-241951-10-15
19521952-04-061952-10-26
19531953-03-251953-10-17
19541954-04-031954-10-24
19551955-04-281955-10-21
19561956-04-241956-10-23
19571957-04-131957-09-27
19581958-04-191958-09-21
19591959-04-021959-10-25
19611961-04-301961-09-27
19621962-04-151962-10-15
19651965-04-221965-10-14
19661966-04-031966-10-11
19671967-03-181967-10-15
19681968-05-021968-10-31
19691969-03-311969-10-18
19701970-05-041970-10-14
19711971-03-231971-10-14
19721972-03-091972-10-18
19741974-03-301974-10-10
19751975-04-201975-10-20
19761976-04-111976-09-23
19771977-04-071977-10-02
19781978-03-311978-10-19
19791979-04-141979-10-26
19811981-04-011981-10-27
19841984-04-121984-10-16
19851985-03-121985-10-22
19861986-02-211986-10-29
19871987-02-051987-10-14
19881988-03-251988-11-08
19891989-03-111989-10-26
19901990-03-231990-10-04
19911991-04-071991-10-19
19921992-04-101992-10-19
19931993-04-111993-10-14
19941994-04-191994-10-05
19961996-04-091996-10-14
19971997-03-211997-10-11
19981998-04-111998-10-15
19991999-04-191999-10-15
20002000-04-052000-10-06

Every Fixed Threshold

Fixed thresholds at La Tuna 1 S
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days491841986168
35 C (95 F): Days4999195696
40 C (104 F): Days392619813
90 F (32.2 C): Days491512000151
100 F (37.8 C): Days4948196930
110 F (43.3 C): Days4319813
0 C (32 F): Ice days (max14319491
0 C (32 F): Frost days (min52103198848
-10 C (14 F): Days with min281019871
-20 C (-4 F): Days with min1219622
20 C (68 F): Tropical nights (min52811994105
25 C (77 F): Days with min3616196910
10 mm (0.39 in): Days with 10 mm or more rain561519868
25 mm (0.98 in): Days with 25 mm or more rain40619723
50 mm (1.97 in): Days with 50 mm or more rain9119531
100 mm (3.94 in): Days with 100 mm or more rain20n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall4119441

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1944.

Download the Data

  • Data for La Tuna 1 S threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).